– If you need the official RHEL 9 ISO for x86_64, don't use random mirrors. Log into the Red Hat Customer Portal → Downloads → RHEL 9 → Intel 64-bit. No subscription? Grab the free Developer Subscription from developers.redhat.com – same ISO, no cost for dev use.
Unlike community-driven distributions, RHEL requires a Red Hat account. However, through the Red Hat Developer Program download red hat enterprise linux 9 iso 64 bit
Go to redhat.com and click . Use a valid email address. – If you need the official RHEL 9
Use dd similarly, or use BalenaEtcher.